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EP 4 066 042 A1

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(43) Date of publication: 05.10.2022 Bulletin 2022/40 (21) Application number: 19954446.1 (22) Date of filing: 26.11.2019

(51) International Patent Classification (IPC):  G02B 27/01(2006.01) H04N 13/332(2018.01) G06F 3/14(2006.01) G06T 19/00(2011.01) G02B 6/34(2006.01) (52) Cooperative Patent Classification (CPC): H04N 13/332; G09G 3/003; G09G 5/377; G09G 2300/023; G09G 2340/12; H04N 13/395 (86) International application number: PCT/SE2019/051199 (87) International publication number: WO 2021/107828 (03.06.2021 Gazette 2021/22)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventors: KRISTENSSON, Andreas 247 35 SÖDRA SANDBY (SE) HUNT, Alexander 218 72 TYGELSJÖ (SE) (74) Representative: Ericsson  Patent Development Torshamnsgatan 21-23 164 80 Stockholm 164 80 Stockholm (SE)